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CVE-2025-40080 (GCVE-0-2025-40080)

Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-09-08 08:42
VLAI
Title
nbd: restrict sockets to TCP and UDP
Summary
In the Linux kernel, the following vulnerability has been resolved: nbd: restrict sockets to TCP and UDP Recently, syzbot started to abuse NBD with all kinds of sockets. Commit cf1b2326b734 ("nbd: verify socket is supported during setup") made sure the socket supported a shutdown() method. Explicitely accept TCP and UNIX stream sockets.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: cf1b2326b734896734c6e167e41766f9cee7686a , < c365e8f20f4201d873a70385bd919f0fb531e960 (git)
Affected: cf1b2326b734896734c6e167e41766f9cee7686a , < 4f9e6ff6319dbcebea64b50af0304cf0ad7e97e7 (git)
Affected: cf1b2326b734896734c6e167e41766f9cee7686a , < 37ad11f20e164c23ce827dd455b42c0fdd29685c (git)
Affected: cf1b2326b734896734c6e167e41766f9cee7686a , < 808e2335bc1cf2293b9e36ccc94c267c81509c71 (git)
Affected: cf1b2326b734896734c6e167e41766f9cee7686a , < 9f7c02e031570e8291a63162c6c046dc15ff85b0 (git)
Affected: 4df728651b8a99693c69962d8e5a5b9e5a3bbcc7 (git)
Affected: 083322455c67d278c56a66b73f1221f004ee600a (git)
Affected: 4fa1cbd587ef967812f9d9f6ce46ec1dead7502c (git)
Affected: 4.14.152 , < 4.15 (semver)
Affected: 4.19.82 , < 4.20 (semver)
Affected: 5.3.9 , < 5.4 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 5.4
Unaffected: 0 , < 5.4 (semver)
Unaffected: 6.1.156 , ≤ 6.1.* (semver)
Unaffected: 6.6.112 , ≤ 6.6.* (semver)
Unaffected: 6.12.53 , ≤ 6.12.* (semver)
Unaffected: 6.17.3 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.6 , < * (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.6 , < * (custom)
guessed Create a notification for this product.
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.6 , < * (custom)
guessed Create a notification for this product.
Show details on NVD website
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      "cve": "CVE-2025-40080",
      "id": "CVE-2025-40080",
      "initial_release_date": "2025-10-28T00:00:00+00:00",
      "product_status:known_affected": "246",
      "product_status:known_not_affected": "28",
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      "status": "final",
      "title": "kernel: nbd: restrict sockets to TCP and UDP",
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      "version": "3"
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      "current_release_date": "2026-09-11T01:55:57Z",
      "cve": "CVE-2025-40080",
      "id": "CVE-2025-40080",
      "initial_release_date": "2025-10-29T00:24:35Z",
      "product_status:first_fixed": "2",
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      "product_status:known_not_affected": "129",
      "product_status:recommended": "470",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-40080",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-40080.json",
      "version": "49"
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}



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